4078128 has 20 divisors (see below), whose sum is σ = 10535288. Its totient is φ = 1359360.

The previous prime is 4078117. The next prime is 4078133. The reversal of 4078128 is 8218704.

4078128 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×4078128² = 33262255968768, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 4078095 and 4078104.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42433 + ... + 42528.

Almost surely, 2^4078128 is an apocalyptic number.

4078128 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

4078128 is an abundant number, since it is smaller than the sum of its proper divisors (6457160).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4078128 is a wasteful number, since it uses less digits than its factorization.

4078128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84972 (or 84966 counting only the distinct ones).

The product of its (nonzero) digits is 3584, while the sum is 30.

The square root of 4078128 is about 2019.4375454567. The cubic root of 4078128 is about 159.7669523865.

The spelling of 4078128 in words is "four million, seventy-eight thousand, one hundred twenty-eight".